JP2011518453A - メディアコンテンツストリームを暗号解読するための方法、装置およびシステム - Google Patents
メディアコンテンツストリームを暗号解読するための方法、装置およびシステム Download PDFInfo
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Abstract
Description
本特許出願は、2008年2月28日出願の米国仮特許出願第61/032,424号の優先権を主張する。
Claims (20)
- 受信デバイスにおいて、前記受信デバイスに連結された送信デバイスから第一のコンテンツストリームを受信するステップであって、前記第一のコンテンツストリームは特定のパッケージ構造に形式付けられたメディアコンテンツを有し、前記メディアコンテンツはHigh−Definition Content Protection(HDCP)値に関連付けられているステップと、
前記第一のコンテンツストリームを、前記メディアコンテンツの前記パッケージ構造を保持しながら前記第一のコンテンツストリームからHDCP値を除去することによって、第二のコンテンツストリームに暗号解読するステップと、
を含む方法。 - 前記メディアコンテンツは映像コンテンツまたは音声コンテンツを含む請求項1に記載の方法。
- 前記第一のコンテンツストリームは、前記メディアコンテンツに関連付けられたメディア以外のコンテンツをさらに含み、前記メディア以外のコンテンツは特定のパッケージ構造に形式付けられている請求項1に記載の方法。
- 前記第一のコンテンツストリームを、前記メディア以外のコンテンツの前記パッケージ構造を保持しながら前記第一のコンテンツストリームから前記HDCP値を除去することによって第二のコンテンツストリームに暗号解読するステップをさらに含む請求項3に記載の方法。
- 前記第一のコンテンツストリームは、第一のHigh−Definition Multimedia Interface(HDMI)メディアコンテンツストリームを含み、前記第二のコンテンツストリームは、第二のHDMIメディアコンテンツストリームを含む請求項1に記載の方法。
- 前記暗号解読するステップは、前記第一のコンテンツストリームからTransition Minimized Differential Signaling(TMDS)層を除去するステップをさらに含む請求項1に記載の方法。
- 前記暗号解読するステップは、前記第一のコンテンツストリームからTransition−Minimized Differential Signaling Error Reduction Coding−4(TERC4)層を除去するステップをさらに含む請求項1に記載の方法。
- 第一のコンテンツストリームを受信デバイスに送信する送信デバイスであって、前記第一のコンテンツストリームは特定のパッケージ構造に形成付けられているメディアコンテンツを有し、前記メディアコンテンツはHigh−Definition Content Protection(HDCP)値に関連付けられている送信デバイスと、
前記第一のコンテンツストリームを、前記メディアコンテンツの前記パッケージ構造を保持しながら前記第一のコンテンツストリームから前記HDCP値を除去することによって、第二のコンテンツストリームに暗号解読するコンテンツ暗号解読装置を有する前記受信デバイスと、
を備える装置。 - 前記メディアコンテンツは、映像コンテンツまたは音声コンテンツを含む請求項8に記載の装置。
- 前記第一のコンテンツストリームは、前記メディアコンテンツに関連付けられたメディア以外のコンテンツをさらに含み、前記メディア以外のコンテンツは、特定のパッケージ構造に形式付けられている請求項8に記載の装置。
- 前記コンテンツ暗号解読装置は、前記第一のコンテンツストリームを、前記メディア以外のコンテンツの前記パッケージ構造を保持しながら前記第一のコンテンツストリームから前記HDCP値を除去することによって、第二のコンテンツストリームに暗号解読するようにさらに調整される請求項10に記載の装置。
- 前記第一のコンテンツストリームは、第一のHigh−Definition Multimedia Interface(HDMI)メディアコンテンツストリームを含み、前記第二のコンテンツストリームは第二のHDMIメディアコンテンツストリームを含む請求項8に記載の装置。
- 前記コンテンツ暗号解読装置は、前記第一のコンテンツストリームからTransition Minimized Differential Signaling(TMDS)層を除去するようにさらに調整される請求項8に記載の装置。
- 前記暗号解読装置は、前記第一のコンテンツストリームから、Transition−Minimized Differential Signaling Error Reduction Coding−4(TERC4)層を除去するようにさらに調整される請求項8に記載の装置。
- コンテンツ暗号解読メカニズムを有する受信デバイスに連結された送信デバイスを備えるコンテンツ通信システムであって、前記コンテンツ暗号解読メカニズムは、
前記送信デバイスから第一のコンテンツストリームを受信し、前記第一のコンテンツストリームは、特定のパッケージ構造に形式付けられたメディアコンテンツを有し、前記メディアコンテンツはHigh−Definition Content Protection(HDCP値)に関連付けられ、
前記第一のコンテンツストリームを、前記メディアコンテンツの前記パッケージ構造を保持しながら前記第一のコンテンツストリームから前記HDCP値を除去することによって、第二のコンテンツストリームに暗号解読する
システム。 - 前記メディアコンテンツは、映像コンテンツまたは音声コンテンツを含む請求項15に記載のシステム。
- 前記第一のコンテンツストリームは、前記メディアコンテンツに関連付けられたメディア以外のコンテンツをさらに含み、前記メディア以外のコンテンツは、特定のパッケージ構造に形式付けられている請求項15に記載のシステム。
- 前記コンテンツ暗号解読メカニズムは、前記第一のコンテンツストリームを、前記メディア以外のコンテンツの前記パッケージ構造を保持しながら前記第一のコンテンツストリームから前記HDCP値を除去することによって、第二のコンテンツストリームに暗号解読するようにさらに調整される請求項17に記載のシステム。
- 前記第一のコンテンツストリームは、第一のHigh−Definition Multimedia Interface(HDMI)メディアコンテンツストリームを含み、前記第二のコンテンツストリームは第二のHDMIメディアコンテンツストリームを含む請求項15に記載のシステム。
- 前記コンテンツ暗号解読メカニズムは、前記第一のコンテンツストリームからTransition Minimized Differential Signaling(TMDS)層を除去するようにさらに調整される請求項15に記載のシステム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US3242408P | 2008-02-28 | 2008-02-28 | |
US61/032,424 | 2008-02-28 | ||
US12/391,987 | 2009-02-24 | ||
US12/391,987 US8644504B2 (en) | 2008-02-28 | 2009-02-24 | Method, apparatus, and system for deciphering media content stream |
PCT/US2009/035353 WO2009108819A1 (en) | 2008-02-28 | 2009-02-26 | Method, apparatus and system for deciphering media content stream |
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JP2011518453A true JP2011518453A (ja) | 2011-06-23 |
JP5719597B2 JP5719597B2 (ja) | 2015-05-20 |
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JP2010548881A Active JP5410452B2 (ja) | 2008-02-28 | 2009-02-26 | データストリームの事前認証と処理の方法、装置およびシステム |
JP2010548882A Active JP5719597B2 (ja) | 2008-02-28 | 2009-02-26 | メディアコンテンツストリームを暗号解読するための方法、装置およびシステム |
JP2013230239A Active JP5767679B2 (ja) | 2008-02-28 | 2013-11-06 | データストリームの事前認証と処理の方法、装置およびシステム |
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US (2) | US8644504B2 (ja) |
EP (2) | EP2272251B1 (ja) |
JP (3) | JP5410452B2 (ja) |
KR (2) | KR101499925B1 (ja) |
CN (2) | CN101960839B (ja) |
AT (1) | ATE533301T1 (ja) |
TW (2) | TWI444045B (ja) |
WO (2) | WO2009108819A1 (ja) |
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KR101499925B1 (ko) | 2015-03-06 |
EP2272251A1 (en) | 2011-01-12 |
JP2011517873A (ja) | 2011-06-16 |
ATE533301T1 (de) | 2011-11-15 |
TW200937927A (en) | 2009-09-01 |
WO2009108818A1 (en) | 2009-09-03 |
TWI444045B (zh) | 2014-07-01 |
EP2272251B1 (en) | 2011-11-09 |
JP5719597B2 (ja) | 2015-05-20 |
TW200948074A (en) | 2009-11-16 |
JP2014075803A (ja) | 2014-04-24 |
CN101960838A (zh) | 2011-01-26 |
WO2009108819A1 (en) | 2009-09-03 |
TWI387295B (zh) | 2013-02-21 |
CN101960838B (zh) | 2014-10-08 |
US20090219447A1 (en) | 2009-09-03 |
KR20110003331A (ko) | 2011-01-11 |
CN101960839B (zh) | 2013-04-03 |
US20090222905A1 (en) | 2009-09-03 |
US9143507B2 (en) | 2015-09-22 |
JP5410452B2 (ja) | 2014-02-05 |
CN101960839A (zh) | 2011-01-26 |
EP2274907B1 (en) | 2012-12-19 |
KR101499924B1 (ko) | 2015-03-06 |
US8644504B2 (en) | 2014-02-04 |
KR20100128307A (ko) | 2010-12-07 |
JP5767679B2 (ja) | 2015-08-19 |
EP2274907A1 (en) | 2011-01-19 |
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